Lisbon, Portuguese Lisboa, city, port, capital of Portugal, and the centre of the Lisbon metropolitan area. Located in western Portugal on the estuary of the Tagus (Tejo) River, it is the westernmost capital city in continental Europe and serves as the country’s chief port, largest city, and commercial, political, and tourist centre. The city’s name is a modification of the ancient Olisipo (Ulyssipo), and its founding has been attributed to the legacy of Ulysses (Odysseus), the hero of Homer’s Odyssey; to Elisha, purported to have been a grandson of the Hebrew patriarch Abraham; and, more ... (100 of 7,051 words)